jqgrid + EF + MVC:是否可以使用始终相同的控制器操作在excel中导出?

I am using jqgrid (standard) with EF 4 + MVC3. I'd like to implement excel export and if possible using the same action controller used to populate the grid. I wonder if is it possible / logical to pass an additional parameter, for example. Which method you would suggest me? I ask this question because I am still approaching to implement excel export and I'd like to .